Siliconchip 200W SC200 Amplifier Module Kit

SC Jan-May ‘17) This completely new amp design incorporates most of the features of Silicon Chip Ultra-LD Mk4 200W amp but uses easy-to-solder through-hole components - no SMD! 200W into 4? load.
NOTE: Heatsink for illustration purposes,
Important Note For Kit Buyers:
This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.

• Low distortion and noise
• Easy to build
• Compact PCB
• Clipping Indicator LED
• Onboard DC Fuses
• Specified Power Output
• Power Indicator LED’s
• Overload Recovery
• Square Wave Response
• Survives Short Circuits
• Quiescent Current Adjustment
• Output Offset Voltage Adjustmen

• Output power (230VAC mains): 200W RMS into 4?, 135W RMS into 8?
• Frequency response (10Hz-20kHz): +0,-0.05dB (8?); +0,-0.12dB (4?)
• Input sensitivity: 1.26V RMS for 135W into 8?; 1.08V RMS for 200W into 4?
• Input impedance: 11.85k? shunted with 1nF
• Rated Harmonic Distortion (4?, 8?): <0.01%, 20Hz-20kHz, 20Hz-30kHz bandwidth
• Signal-to-Noise Ratio: -116dB unweighted with respect to 135W into 8?(20Hz-20kHz)
• Damping factor: ~250
• Stability: unconditionally stable with any nominal speaker load ?4?
• Music power: 170W (8?), 270W (4?)
• Dynamic headroom: 1dB (8?), 1.3dB (4?)
• Power supply: ±57V DC from a 40-0-40 transformer
• Quiescent current: 88mA nominal
• Quiescent power: 10W nominal
• Output offset: typically <10mV untrimmed; <1mV trimmed